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Gradient descent for multiple features

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neingeist 2014-10-02 22:33:18 +02:00
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ex1/gradientDescentMulti.m
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@ -17,7 +17,9 @@ for iter = 1:num_iters
% of the cost function (computeCostMulti) and gradient here. % of the cost function (computeCostMulti) and gradient here.
% %
theta = theta - (alpha/m) * X' * (X*theta - y);
J = computeCostMulti(X, y, theta)
% ============================================================ % ============================================================